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Walworth County, WI Parcels & GIS Data

Walworth County, WI parcel data: 75,701 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Walworth County, Wisconsin parcel data covering 75,701 property records.

This page documents parcel-level coverage for Walworth County, Wisconsin. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Walworth County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Walworth County property dataset.

Walworth County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 106,478. Its county seat is Elkhorn.

FIPS 55127

Official county website: http://www.co.walworth.wi.us

The FIPS code for Walworth County is 55127.

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Attribute coverage

Walworth County contains 75,701 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%75,701
parcelid100%75,701
parcelid2100%75,701
ogparcelid100%75,701
ogparcelid2100%75,701
parentid<0.1%0
stackid<0.1%0
geoid100%75,701
statefp100%75,701
countyfp100%75,701
countyname100%75,701
cousubfp100%75,701
cousubname100%75,701
tractce100%75,701
tractname100%75,701
taxacctnum0.2%150
taxyear99.8%75,569
taxdistrict99.8%75,540
usecode90.5%68,516
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs91.8%69,514
numunits63.8%48,308
yearbuilt<0.1%0
numfloors0.5%384
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue69.9%52,885
landvalue89.4%67,642
agvalue<0.1%0
totalvalue89.4%67,642
taxacres94.5%71,509
calcarea100%75,701
saleamt<0.1%0
saledate<0.1%0
ownertype95.3%72,120
ownername95.3%72,120
owneraddr94.9%71,844
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr93.9%71,100
parcelcity99.1%74,994
parcelstate100%75,701
parcelzip100%75,701
legaldesc<0.1%0
township99.7%75,499
section99.7%75,499
qtrsection99.7%75,499
range99.7%75,499
plssdesc99.7%75,499
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype1.2%904
accesstype1.2%904
iucnclass0.9%663
placename11.1%8,422
placetype11.0%8,327
firmid100%75,701
firmdate100%75,701
fldzone100%75,701
zonesubty97.9%74,079
staticbfe0.2%157
elevmin98.4%74,475
elevmax98.4%74,475
elevavg98.4%74,475
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode24.3%18,387
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%75,701
centroidx100%75,701
centroidy100%75,701
surfpointx100%75,701
surfpointy100%75,701
geom100%75,701
extras100%75,701
ownerlist95.2%72,047
placefp58.9%44,595
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Walworth County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Walworth County, Wisconsin (55127) 1 entity · most recent acquisition per entity · generated 2026-08-30 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist 29 cols ⇢ parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname geom · derived from geometry geom dem.us_1m · USGS 1m DEM 98.4% elevmin 98.4% elevmax 98.4% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.9% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 91.8% numbldgs 63.8% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 95.2% ownerlist 58.9% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (42) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate ownercity, ownerstate, ownerzip, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 18 mapped · 29 kept in extras · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras · 29 source columns preserved as json parceldate, ownernme2, addnumprefix, addnum, addnumsuffix prefix, streetname, streettype, suffix, landmarkname unittype, unitid, zip4, schooldistno, improved, forestvalue estfmkvalue, netprpta, grsprpta, auxclass, deedacres gisacres, coname, parcelfips, parcelsrc, shape_area shape_len, longitude, latitude extras not present in source — filled with NULL (36) usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate ownercity, ownerstate, ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, sourceurl, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Walworth County:

Frequently asked questions

Where can I find Walworth County, WI parcel and GIS data?

Land Records publishes a Walworth County, WI parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Walworth County, WI dataset as a GeoPackage or CSV.

How many parcels are in Walworth County, WI?

The current dataset contains 75,701 parcel records for Walworth County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Walworth County, WI?

The FIPS code for Walworth County, WI is 55127.

What information does each Walworth County, WI parcel record include?

Each Walworth County, WI parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Walworth County, WI parcel data free?

You can preview Walworth County, WI parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Walworth County, WI have an official GIS or property records website?

Yes — the official Walworth County, WI government website is linked in the county details above. Land Records standardizes Walworth County, WI assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated